<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>结算</title>
</head>
<body>

<form action="payOrder" method="post">
    <input type="text" class="form-control1" id="order_id" name="order_id" th:value="${order_id}">
    <input type="submit" value="去支付" onclick="order()" />
</form>

</body>
</html>